Why pregnant to menstruation after?

Normal menstruation has suddenly stop get married women, this is the new life of auspicious.

But there are few women in pregnancy during the first 3 months, every month of the menstrual cycle is still a small amount of vaginal bleeding.

Pregnant after a period, is pregnant after the egg with the pregnancy implantation bleeding eggs.

During the first trimester, when the ovum fertilization and implantation, chorionic gonadotropin hormone in urine, pregnancy week Peak 8. The role of this hormone and luteinizing hormone, enables the development of the corpus luteum graviditatis. Pregnancy luteal continue secretion of estrogen and progesterone, which makes the endometrium into decidua, ensuring the continued growth and development of fertilized eggs.

If a pregnant woman in vivo human chorionic gonadotropin cannot convert the corpus luteum graviditatis, at the same time really decidua and package decidua incomplete fusion, a small part of the uterus is still active, the effects of ovarian hormones, so they will appear each month less than menstrual bleeding even difficult to observe.

But after 3 months of pregnancy, hormone secreted primarily by the placenta, the place of ovarian function, at this point really decidua and package decidua fusion, they no longer period.

In General, the pregnant after vaginal bleeding does not affect fetal development and maternal health, without special treatment.

It should be noted that, when the amount of the menstrual cycle or menstrual changes, it is best to check to clear changes.

(Edit: Zheng Yan internships, MD)